20122140002 has 4 divisors (see below), whose sum is σ = 30183210006. Its totient is φ = 10061070000.

The previous prime is 20122139993. The next prime is 20122140011. The reversal of 20122140002 is 20004122102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20004122102 = 2 ⋅10002061051.

It is an interprime number because it is at equal distance from previous prime (20122139993) and next prime (20122140011).

It can be written as a sum of positive squares in only one way, i.e., 16641258001 + 3480882001 = 129001^2 + 58999^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030534999 + ... + 5030535002.

Almost surely, 2^20122140002 is an apocalyptic number.

20122140002 is a deficient number, since it is larger than the sum of its proper divisors (10061070004).

20122140002 is a wasteful number, since it uses less digits than its factorization.

20122140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061070003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20122140002 its reverse (20004122102), we get a palindrome (40126262104).

The spelling of 20122140002 in words is "twenty billion, one hundred twenty-two million, one hundred forty thousand, two".